Among the issues in the Venezuela-Colombia border conflict are paramilitary and drug trafficking activity in the affected area. Venezuelan President Nicolas Maduro emphasized the importance of Colombia taking steps to prevent such aircraft from using its territory. He announced that an investigation is underway into last Thursday's crash by a Venezuelan air force jet attempting to intercept a Colombian airplane that had illegally enter its airspace. Two Venezuelan pilots died in the crash and were honored yesterday in Caracas. teleSUR